Key Features

• [ SPECIFICATIONS ]: Model: SFDPA1-040-055-42 | Voltage: 115V AC | Open Flow: 4.0 GPM (15.1 LPM) | Shut-off Pressure: 55 PSI (3.8 BAR) | Self-Priming Height: 6 ft (1.8 m) | Max Draw: 1.8A | Ports: 1/2" MNPT | Materials: EPDM Valves, Santoprene Diaphragm | Max Temp: 140°F (60°C) | Continuous Duty Rated | NSF/UL/CSA Certified | 4-Year Warranty.
• [ INCLUDED COMPONENTS ]: Includes SEAFLO 42 Series Pump, 50-Mesh Inlet Strainer, (2) 1/2" Hose Barb Fittings, 115V Wall Plug, and User Manual — everything needed for a complete, plug-and-play installation. Ideal for boats, RVs, cabins, and off-grid systems.
• [ NSF UL CSA CERTIFIED FOR POTABLE WATER ]: Fully tested and certified to NSF/ANSI/CAN 61 & 372 for drinking water safety, NSF 24 for RV plumbing, and UL 778 & CSA C22.2 for electric pump safety. Ensures compliance with marine and RV standards across North America for peace of mind.
• [ SELF-PRIMING AND RUN-DRY CAPABLE ]: Self-primes up to 6 ft and can safely run dry without internal damage, ensuring reliability in systems with fluctuating tank levels. Ideal for marine, RV, or remote applications where continuous performance and resilience are critical.
• [ SMART PRESSURE SWITCH TECHNOLOGY ]: Built-in automatic smart pressure switch activates the pump only when water is demanded. Provides instant pressure response without cycling, improving efficiency and extending pump life while maintaining smooth flow across multiple outlets.
• [ ULTRA QUIET OPERATION ]: Equipped with vibration-isolated rubber mounts and internal bypass technology, this pump operates at whisper-quiet levels. Perfect for RV sleeping areas, marine cabins, or off-grid installations where silence and comfort matter.
• [ INTERNAL BYPASS TECHNOLOGY ]: Integrated bypass chamber reduces cycling under low-flow conditions for steady pressure, reduced wear, and longer service life. Ideal for applications requiring continuous operation without pulse or surging.
• [ HEAVY-DUTY MATERIALS AND BUILD QUALITY ]: Built with Santoprene diaphragms and EPDM valves, ensuring chemical resistance and long-term reliability in both freshwater and light industrial systems. Designed to withstand demanding environments and extended use.
• [ EASY INSTALLATION & MAINTENANCE ]: Compact design with standard 1/2” MNPT ports and quick-connect fittings simplifies setup. Plug-in AC adapter allows direct connection to wall power—no wiring required. Maintenance-free and easy to clean.
• Meets or exceeds RoHS, SGS [ 4-YEAR WARRANTY ]: Backed by SEAFLO’s industry-leading 4-Year Limited Warranty, ensuring unmatched quality and after-sale support. Trusted worldwide for durability, efficiency, and superior water system performance. , and ISO standards

Specifications